{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53770",
    "entityType": "User",
    "nonce": "0x3dd02f9c5e5fa06ad375ec1010e60f5ebc12b497c5433df7721063b4381a7bb8",
    "signature": "0x46d6421991737916a3a7693fdaf132ea22961d7003ab32f2bd0a07d87aee6f391e751b1836d445baeb7a0ee35dcd3dbdaab05dc9f181d9d7f1014b410471856e1c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}